<template>
  <div class="todo-header">
    <input type="text" placeholder="请输入你的任务名称，按回车键确认"
           v-model="title" @keyup.enter="add"
    />
  </div>
</template>

<script>
export default {
  name: "TodoHeader",
  props:{
    addTodo:Function
  },
  data() {
    return {
      title: ''
    }

  },
  methods: {
    add() {
      const {title, complete, addTodo} = this
      if (!title) {
        alert('事项不能为空')
        return
      }
      const item = {
        title,
        complete
      }
      addTodo(item)
      this.title = ''
    }
  }
}
</script>

<style scoped>

/*header*/
.todo-header input {
  width: 560px;
  height: 28px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 4px 7px;
}

.todo-header input:focus {
  outline: none;
  border-color: rgba(82, 168, 236, 0.8);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
}

</style>
